Collaboration diagram for ilTestSequenceDynamicQuestionSet:

Public Member Functions
	__construct (ilDB $db, ilTestDynamicQuestionSet $questionSet, $activeId)
	Constructor.
	getActiveId ()
	loadFromDb ()
	saveToDb ()
	loadQuestions (ilObjTestDynamicQuestionSetConfig $dynamicQuestionSetConfig, ilTestDynamicQuestionSetFilterSelection $filterSelection)
	cleanupQuestions (ilTestSessionDynamicQuestionSet $testSession)
	getUpcomingQuestionId ()
	isAnsweredQuestion ($questionId)
	isPostponedQuestion ($questionId)
	isFilteredQuestion ($questionId)
	trackedQuestionExists ()
	getTrackedQuestionList ($currentQuestionId=null)
	resetTrackedQuestionList ()
	openQuestionExists ()
	getOpenQuestions ()
	getTrackedQuestionCount ()
	getCurrentPositionIndex ($questionId)
	getLastPositionIndex ()
	setQuestionPostponed ($questionId)
	unsetQuestionPostponed ($questionId)
	setQuestionAnsweredCorrect ($questionId)
	setQuestionAnsweredWrong ($questionId)
	hasStarted ()
	getCompleteQuestionsData ()
	getFilteredQuestionsData ()
	getUserSequenceQuestions ()

Private Member Functions
	loadQuestionTracking ()
	loadAnswerStatus ()
	loadPostponedQuestions ()
	saveNewlyTrackedQuestion ()
	getNewOrderIndexForQuestionTracking ()
	saveNewlyAnsweredQuestionsAnswerStatus ()
	saveNewlyPostponedQuestion ()
	removeQuestionsNotPostponedAnymore ()
	fetchUpcomingQuestionId ($excludePostponedQuestions, $forceNonAnsweredQuestion)
	trackQuestion ($questionId, $answerStatus)
	fetchMostLeastPostponedQuestion ($postponedQuestions)

Private Attributes
	$db = null
	$questionSet = null
	$activeId = null
	$questionTracking = array()
	$newlyTrackedQuestion
	$newlyTrackedQuestionsStatus
	$postponedQuestions = array()
	$newlyPostponedQuestion
	$newlyPostponedQuestionsCount
	$correctAnsweredQuestions = array()
	$wrongAnsweredQuestions = array()
	$newlyAnsweredQuestion
	$newlyAnsweredQuestionsAnswerStatus

Detailed Description

Definition at line 14 of file class.ilTestSequenceDynamicQuestionSet.php.

Constructor & Destructor Documentation

ilTestSequenceDynamicQuestionSet::__construct	(	ilDB	$db,
		ilTestDynamicQuestionSet	$questionSet,
			$activeId
	)

Constructor.

Parameters

ilTestDynamicQuestionSet $questionSet

Definition at line 86 of file class.ilTestSequenceDynamicQuestionSet.php.

References $activeId, $db, and $questionSet.

        {
                $this->db = $db;
                $this->questionSet = $questionSet;
                $this->activeId = $activeId;
                $this->newlyTrackedQuestion = null;
                $this->newlyTrackedQuestionsStatus = null;
                
                $this->newlyPostponedQuestion = null;
                $this->newlyPostponedQuestionsCount = null;
                
                $this->newlyAnsweredQuestion = null;
                $this->newlyAnsweredQuestionsAnswerStatus = null;
        }

Member Function Documentation

ilTestSequenceDynamicQuestionSet::cleanupQuestions ( ilTestSessionDynamicQuestionSet $testSession )

Definition at line 311 of file class.ilTestSequenceDynamicQuestionSet.php.

References ilTestSessionDynamicQuestionSet\getCurrentQuestionId(), isFilteredQuestion(), and ilTestSessionDynamicQuestionSet\setCurrentQuestionId().

        {
                switch( true )
                {
                        case !$this->questionSet->questionExists($testSession->getCurrentQuestionId()):
                        case !$this->isFilteredQuestion($testSession->getCurrentQuestionId()):
                                
                                $testSession->setCurrentQuestionId(null);
                }
                
                foreach($this->postponedQuestions as $questionId)
                {
                        if( !$this->questionSet->questionExists($questionId) )
                        {
                                unset($this->postponedQuestions[$questionId]);
                        }
                }
                
                foreach($this->wrongAnsweredQuestions as $questionId)
                {
                        if( !$this->questionSet->questionExists($questionId) )
                        {
                                unset($this->wrongAnsweredQuestions[$questionId]);
                        }
                }
                
                foreach($this->correctAnsweredQuestions as $questionId)
                {
                        if( !$this->questionSet->questionExists($questionId) )
                        {
                                unset($this->correctAnsweredQuestions[$questionId]);
                        }
                }
        }

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ilTestSequenceDynamicQuestionSet::fetchMostLeastPostponedQuestion ( $postponedQuestions )

private

Parameters

$postponedQuestions

Returns: int|null|string

Definition at line 613 of file class.ilTestSequenceDynamicQuestionSet.php.

References $postponedQuestions.

Referenced by fetchUpcomingQuestionId().

        {
                $minPostponeCount = null;
                $minPostponeItem = null;
                foreach(array_reverse($postponedQuestions, true) as $qId => $postponeCount)
                {
                        if($minPostponeCount === null || $postponeCount <= $minPostponeCount)
                        {
                                $minPostponeCount = $postponeCount;
                                $minPostponeItem = $qId;
                        }
                }
                return $minPostponeItem;
        }

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ilTestSequenceDynamicQuestionSet::fetchUpcomingQuestionId	(	$excludePostponedQuestions,
		$forceNonAnsweredQuestion
	)

private

Definition at line 365 of file class.ilTestSequenceDynamicQuestionSet.php.

References $postponedQuestions, and fetchMostLeastPostponedQuestion().

Referenced by getUpcomingQuestionId().

        {
                foreach($this->questionSet->getActualQuestionSequence() as $level => $questions)
                {
                        $postponedQuestions = array();
                        
                        foreach($questions as $pos => $qId)
                        {
                                if( isset($this->correctAnsweredQuestions[$qId]) )
                                {
                                        continue;
                                }
                                if( $forceNonAnsweredQuestion && isset($this->wrongAnsweredQuestions[$qId]) )
                                {
                                        continue;
                                }
                                
                                if( isset($this->postponedQuestions[$qId]) )
                                {
                                        $postponedQuestions[$qId] = $this->postponedQuestions[$qId];
                                        continue;
                                }
                                
                                return $qId;
                        }
                        
                        if( !$excludePostponedQuestions && count($postponedQuestions) )
                        {
                                return $this->fetchMostLeastPostponedQuestion($postponedQuestions);
                        }
                }
                
                return null;
        }

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ilTestSequenceDynamicQuestionSet::getActiveId ( )

Definition at line 102 of file class.ilTestSequenceDynamicQuestionSet.php.

References $activeId.

Referenced by getNewOrderIndexForQuestionTracking(), removeQuestionsNotPostponedAnymore(), saveNewlyAnsweredQuestionsAnswerStatus(), saveNewlyPostponedQuestion(), saveNewlyTrackedQuestion(), and saveToDb().

        {
                return $this->activeId;
        }

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ilTestSequenceDynamicQuestionSet::getCompleteQuestionsData ( )

Definition at line 583 of file class.ilTestSequenceDynamicQuestionSet.php.

        {
                return $this->questionSet->getCompleteQuestionList()->getQuestionDataArray();
        }

ilTestSequenceDynamicQuestionSet::getCurrentPositionIndex ( $questionId )

Definition at line 483 of file class.ilTestSequenceDynamicQuestionSet.php.

        {
                $i = 0;
                
                foreach($this->questionSet->getActualQuestionSequence() as $level => $questions)
                {
                        foreach($questions as $pos => $qId)
                        {
                                $i++;
                                
                                if($qId == $questionId)
                                {
                                        return $i;
                                }
                        }
                }
                return null;
        }

ilTestSequenceDynamicQuestionSet::getFilteredQuestionsData ( )

Definition at line 588 of file class.ilTestSequenceDynamicQuestionSet.php.

        {
                return $this->questionSet->getFilteredQuestionList()->getQuestionDataArray();
        }

ilTestSequenceDynamicQuestionSet::getLastPositionIndex ( )

Definition at line 503 of file class.ilTestSequenceDynamicQuestionSet.php.

        {
                $count = 0;
                
                foreach($this->questionSet->getActualQuestionSequence() as $level => $questions)
                {
                        $count += count($questions);
                }
                
                return $count;
        }

ilTestSequenceDynamicQuestionSet::getNewOrderIndexForQuestionTracking ( )

private

Definition at line 225 of file class.ilTestSequenceDynamicQuestionSet.php.

References $query, $res, $row, and getActiveId().

Referenced by saveNewlyTrackedQuestion().

        {
                $query = "
                                SELECT (MAX(orderindex) + 1) new_order_index
                                FROM tst_seq_qst_tracking
                                WHERE active_fi = %s
                                AND pass = %s
                        ";
                $res = $this->db->queryF($query, array('integer','integer'), array($this->getActiveId(), 0));
                
                $row = $this->db->fetchAssoc($res);
                if( $row['new_order_index'] )
                {
                        return $row['new_order_index'];
                }
                
                return 1;
        }

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ilTestSequenceDynamicQuestionSet::getOpenQuestions ( )

Definition at line 462 of file class.ilTestSequenceDynamicQuestionSet.php.

Referenced by openQuestionExists().

        {
                $completeQuestionIds = array_keys( $this->questionSet->getAllQuestionsData() );
                $openQuestions = array_diff($completeQuestionIds, $this->correctAnsweredQuestions);
                
                return $openQuestions;
        }

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ilTestSequenceDynamicQuestionSet::getTrackedQuestionCount ( )

Definition at line 471 of file class.ilTestSequenceDynamicQuestionSet.php.

        {
                $uniqueQuestions = array();
                
                foreach($this->questionTracking as $trackedQuestion)
                {
                        $uniqueQuestions[$trackedQuestion['qid']] = $trackedQuestion['qid'];
                }
                
                return count($uniqueQuestions);
        }

ilTestSequenceDynamicQuestionSet::getTrackedQuestionList ( $currentQuestionId = null )

Definition at line 432 of file class.ilTestSequenceDynamicQuestionSet.php.

        {
                $questionList = array();
                
                if( $currentQuestionId )
                {
                        $questionList[$currentQuestionId] = $this->questionSet->getQuestionData($currentQuestionId);
                }
                
                foreach( array_reverse($this->questionTracking) as $trackedQuestion)
                {
                        if( !isset($questionList[ $trackedQuestion['qid'] ]) )
                        {
                                $questionList[ $trackedQuestion['qid'] ] = $this->questionSet->getQuestionData($trackedQuestion['qid']);
                        }
                }
                
                return $questionList;
        }

ilTestSequenceDynamicQuestionSet::getUpcomingQuestionId ( )

Definition at line 348 of file class.ilTestSequenceDynamicQuestionSet.php.

References fetchUpcomingQuestionId().

        {
                if( $questionId = $this->fetchUpcomingQuestionId(true, true) )
                        return $questionId;
                
                if( $questionId = $this->fetchUpcomingQuestionId(true, false) )
                        return $questionId;
                if( $questionId = $this->fetchUpcomingQuestionId(false, true) )
                        return $questionId;
                if( $questionId = $this->fetchUpcomingQuestionId(false, false) )
                        return $questionId;
                return null;
        }

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ilTestSequenceDynamicQuestionSet::getUserSequenceQuestions ( )

Definition at line 595 of file class.ilTestSequenceDynamicQuestionSet.php.

        {
                //return array_keys( $this->getTrackedQuestionList() );
                
                $questionSequence = array();
                
                foreach( $this->questionSet->getActualQuestionSequence() as $level => $questions )
                {
                        $questionSequence = array_merge($questionSequence, $questions);
                }
                
                return $questionSequence;
        }

ilTestSequenceDynamicQuestionSet::hasStarted ( )

Definition at line 576 of file class.ilTestSequenceDynamicQuestionSet.php.

References trackedQuestionExists().

        {
                return $this->trackedQuestionExists();
        }

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ilTestSequenceDynamicQuestionSet::isAnsweredQuestion ( $questionId )

Definition at line 401 of file class.ilTestSequenceDynamicQuestionSet.php.

        {
                return (
                        isset($this->correctAnsweredQuestions[$questionId])
                        || isset($this->wrongAnsweredQuestions[$questionId])
                );
        }

ilTestSequenceDynamicQuestionSet::isFilteredQuestion ( $questionId )

Definition at line 414 of file class.ilTestSequenceDynamicQuestionSet.php.

Referenced by cleanupQuestions().

        {
                foreach($this->questionSet->getActualQuestionSequence() as $level => $questions)
                {
                        if( in_array($questionId, $questions) )
                        {
                                return true;
                        }
                }
                
                return false;
        }

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ilTestSequenceDynamicQuestionSet::isPostponedQuestion ( $questionId )

Definition at line 409 of file class.ilTestSequenceDynamicQuestionSet.php.

        {
                return isset($this->postponedQuestions[$questionId]);
        }

ilTestSequenceDynamicQuestionSet::loadAnswerStatus ( )

private

Definition at line 137 of file class.ilTestSequenceDynamicQuestionSet.php.

References $query, $res, and $row.

Referenced by loadFromDb().

        {
                $query = "
                        SELECT  question_fi, correctness
                        FROM    tst_seq_qst_answstatus
                        WHERE   active_fi = %s
                        AND             pass = %s
                ";
                $res = $this->db->queryF($query, array('integer','integer'), array($this->activeId, 0));
                $this->correctAnsweredQuestions = array();
                $this->wrongAnsweredQuestions = array();
                while( $row = $this->db->fetchAssoc($res) )
                {
                        if( $row['correctness'] )
                        {
                                $this->correctAnsweredQuestions[ $row['question_fi'] ] = $row['question_fi'];
                        }
                        else
                        {
                                $this->wrongAnsweredQuestions[ $row['question_fi'] ] = $row['question_fi'];
                        }
                }
        }

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ilTestSequenceDynamicQuestionSet::loadFromDb ( )

Definition at line 107 of file class.ilTestSequenceDynamicQuestionSet.php.

References loadAnswerStatus(), loadPostponedQuestions(), and loadQuestionTracking().

        {
                $this->loadQuestionTracking();
                $this->loadAnswerStatus();
                $this->loadPostponedQuestions();
        }

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ilTestSequenceDynamicQuestionSet::loadPostponedQuestions ( )

private

Definition at line 164 of file class.ilTestSequenceDynamicQuestionSet.php.

References $query, $res, and $row.

Referenced by loadFromDb().

        {
                $query = "
                        SELECT  question_fi, cnt
                        FROM    tst_seq_qst_postponed
                        WHERE   active_fi = %s
                        AND             pass = %s
                ";
                $res = $this->db->queryF($query, array('integer','integer'), array($this->activeId, 0));
                
                $this->postponedQuestions = array();
                
                while( $row = $this->db->fetchAssoc($res) )
                {
                        $this->postponedQuestions[ $row['question_fi'] ] = $row['cnt'];
                }
        }

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ilTestSequenceDynamicQuestionSet::loadQuestions	(	ilObjTestDynamicQuestionSetConfig	$dynamicQuestionSetConfig,
		ilTestDynamicQuestionSetFilterSelection	$filterSelection
	)

Definition at line 298 of file class.ilTestSequenceDynamicQuestionSet.php.

        {
                $this->questionSet->load($dynamicQuestionSetConfig, $filterSelection);
//              echo "<table><tr>";
//              echo "<td width='200'><pre>".print_r($this->questionSet->getActualQuestionSequence(), 1)."</pre></td>";
//              echo "<td width='200'><pre>".print_r($this->correctAnsweredQuestions, 1)."</pre></td>";
//              echo "<td width='200'><pre>".print_r($this->wrongAnsweredQuestions, 1)."</pre></td>";
//              echo "</tr></table>";
        }

ilTestSequenceDynamicQuestionSet::loadQuestionTracking ( )

private

Definition at line 114 of file class.ilTestSequenceDynamicQuestionSet.php.

References $query, $res, and $row.

Referenced by loadFromDb().

        {
                $query = "
                        SELECT          question_fi, status
                        FROM            tst_seq_qst_tracking
                        WHERE           active_fi = %s
                        AND                     pass = %s
                        ORDER BY        orderindex ASC
                ";
                
                $res = $this->db->queryF($query, array('integer','integer'), array($this->activeId, 0));
                $this->questionTracking = array();
                
                while( $row = $this->db->fetchAssoc($res) )
                {
                        $this->questionTracking[] = array(
                                'qid' => $row['question_fi'],
                                'status' => $row['status']
                        );
                }
        }

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ilTestSequenceDynamicQuestionSet::openQuestionExists ( )

Definition at line 457 of file class.ilTestSequenceDynamicQuestionSet.php.

References getOpenQuestions().

        {
                return count($this->getOpenQuestions()) > 0;
        }

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ilTestSequenceDynamicQuestionSet::removeQuestionsNotPostponedAnymore ( )

private

Definition at line 280 of file class.ilTestSequenceDynamicQuestionSet.php.

References $query, and getActiveId().

Referenced by saveToDb().

        {
                $INquestions = $this->db->in('question_fi', array_keys($this->postponedQuestions), true, 'integer');
                // BEGIN fix symptom of mantis #0014191
                if( $INquestions == ' 1=2 ' ) $INquestions = ' 1=1 ';
                // END fix symptom of mantis #0014191
                
                $query = "
                        DELETE FROM tst_seq_qst_postponed
                        WHERE active_fi = %s
                        AND pass = %s
                        AND $INquestions
                ";
                
                $this->db->manipulateF($query, array('integer','integer'), array($this->getActiveId(), 0));
        }

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ilTestSequenceDynamicQuestionSet::resetTrackedQuestionList ( )

Definition at line 452 of file class.ilTestSequenceDynamicQuestionSet.php.

        {
                $this->questionTracking = array();
        }

ilTestSequenceDynamicQuestionSet::saveNewlyAnsweredQuestionsAnswerStatus ( )

private

Definition at line 246 of file class.ilTestSequenceDynamicQuestionSet.php.

References getActiveId().

Referenced by saveToDb().

        {
                if( (int)$this->newlyAnsweredQuestion )
                {
                        $this->db->replace('tst_seq_qst_answstatus',
                                array(
                                        'active_fi' => array('integer', (int)$this->getActiveId()),
                                        'pass' => array('integer', 0),
                                        'question_fi' => array('integer', (int)$this->newlyAnsweredQuestion)
                                ),
                                array(
                                        'correctness' => array('integer', (int)$this->newlyAnsweredQuestionsAnswerStatus)
                                )
                        );
                }
        }

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ilTestSequenceDynamicQuestionSet::saveNewlyPostponedQuestion ( )

private

Definition at line 263 of file class.ilTestSequenceDynamicQuestionSet.php.

References getActiveId().

Referenced by saveToDb().

        {
                if( (int)$this->newlyPostponedQuestion )
                {
                        $this->db->replace('tst_seq_qst_postponed',
                                array(
                                        'active_fi' => array('integer', (int)$this->getActiveId()),
                                        'pass' => array('integer', 0),
                                        'question_fi' => array('integer', (int)$this->newlyPostponedQuestion)
                                ),
                                array(
                                        'cnt' => array('integer', (int)$this->newlyPostponedQuestionsCount)
                                )
                        );
                }
        }

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ilTestSequenceDynamicQuestionSet::saveNewlyTrackedQuestion ( )

private

Definition at line 205 of file class.ilTestSequenceDynamicQuestionSet.php.

References getActiveId(), and getNewOrderIndexForQuestionTracking().

Referenced by saveToDb().

        {
                if( (int)$this->newlyTrackedQuestion )
                {
                        $newOrderIndex = $this->getNewOrderIndexForQuestionTracking();
                        
                        $this->db->replace('tst_seq_qst_tracking',
                                array(
                                        'active_fi' => array('integer', (int)$this->getActiveId()),
                                        'pass' => array('integer', 0),
                                        'question_fi' => array('integer', (int)$this->newlyTrackedQuestion)
                                ),
                                array(
                                        'status' => array('text', $this->newlyTrackedQuestionsStatus),
                                        'orderindex' => array('integer', $newOrderIndex)
                                )
                        );
                }
        }

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ilTestSequenceDynamicQuestionSet::saveToDb ( )

Definition at line 183 of file class.ilTestSequenceDynamicQuestionSet.php.

References getActiveId(), removeQuestionsNotPostponedAnymore(), saveNewlyAnsweredQuestionsAnswerStatus(), saveNewlyPostponedQuestion(), and saveNewlyTrackedQuestion().

        {
                $this->db->manipulateF(
                        "DELETE FROM tst_sequence WHERE active_fi = %s AND pass = %s",
                        array('integer','integer'), array($this->getActiveId(), 0)
                );
                $this->db->insert('tst_sequence', array(
                        'active_fi' => array('integer', $this->getActiveId()),
                        'pass' => array('integer', 0),
                        'sequence' => array('clob', null),
                        'postponed' => array('text', null),
                        'hidden' => array('text', null),
                        'tstamp' => array('integer', time())
                ));
                
                $this->saveNewlyTrackedQuestion();
                $this->saveNewlyAnsweredQuestionsAnswerStatus();
                $this->saveNewlyPostponedQuestion();
                $this->removeQuestionsNotPostponedAnymore();
        }

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ilTestSequenceDynamicQuestionSet::setQuestionAnsweredCorrect ( $questionId )

Definition at line 538 of file class.ilTestSequenceDynamicQuestionSet.php.

References trackQuestion().

        {
                $this->trackQuestion($questionId, 'correct');
                
                $this->correctAnsweredQuestions[$questionId] = $questionId;
                
                if( isset($this->wrongAnsweredQuestions[$questionId]) )
                        unset($this->wrongAnsweredQuestions[$questionId]);
                
                $this->newlyAnsweredQuestion = $questionId;
                $this->newlyAnsweredQuestionsAnswerStatus = true;
        }

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ilTestSequenceDynamicQuestionSet::setQuestionAnsweredWrong ( $questionId )

Definition at line 551 of file class.ilTestSequenceDynamicQuestionSet.php.

References trackQuestion().

        {
                $this->trackQuestion($questionId, 'wrong');
                
                $this->wrongAnsweredQuestions[$questionId] = $questionId;
                
                if( isset($this->correctAnsweredQuestions[$questionId]) )
                        unset($this->correctAnsweredQuestions[$questionId]);
                $this->newlyAnsweredQuestion = $questionId;
                $this->newlyAnsweredQuestionsAnswerStatus = false;
        }

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ilTestSequenceDynamicQuestionSet::setQuestionPostponed ( $questionId )

Definition at line 517 of file class.ilTestSequenceDynamicQuestionSet.php.

References trackQuestion().

        {
                $this->trackQuestion($questionId, 'postponed');
                
                if( !isset($this->postponedQuestions[$questionId]) )
                {
                        $this->postponedQuestions[$questionId] = 0;
                }
                
                $this->postponedQuestions[$questionId]++;
                
                $this->newlyPostponedQuestion = $questionId;
                $this->newlyPostponedQuestionsCount = $this->postponedQuestions[$questionId];
        }

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ilTestSequenceDynamicQuestionSet::trackedQuestionExists ( )

Definition at line 427 of file class.ilTestSequenceDynamicQuestionSet.php.

Referenced by hasStarted().

        {
                return (bool)count($this->questionTracking);
        }

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ilTestSequenceDynamicQuestionSet::trackQuestion	(	$questionId,
		$answerStatus
	)

private

Definition at line 564 of file class.ilTestSequenceDynamicQuestionSet.php.

Referenced by setQuestionAnsweredCorrect(), setQuestionAnsweredWrong(), and setQuestionPostponed().

        {
                $this->questionTracking[] = array(
                        'qid' => $questionId, 'status' => $answerStatus
                );
                
                $this->newlyTrackedQuestion = $questionId;
                $this->newlyTrackedQuestionsStatus = $answerStatus;
        }

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ilTestSequenceDynamicQuestionSet::unsetQuestionPostponed ( $questionId )

Definition at line 532 of file class.ilTestSequenceDynamicQuestionSet.php.

        {
                if( isset($this->postponedQuestions[$questionId]) )
                        unset($this->postponedQuestions[$questionId]);
        }